The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 25, 2022
Filed:
Sep. 29, 2020
Applicant:
Hisense Laser Display Co., Ltd., Shandong, CN;
Inventors:
Wei Xiao, Shandong, CN;
Chao Wang, Shandong, CN;
Fei Zhao, Shandong, CN;
Qiang Zhong, Shandong, CN;
Xiaoping Li, Shandong, CN;
Assignee:
HISENSE LASER DISPLAY CO., LTD., Shandong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2014.01); G03B 21/602 (2014.01);
U.S. Cl.
CPC ...
G03B 21/60 (2013.01); G03B 21/602 (2013.01);
Abstract
A Fresnel projection screen includes: a Fresnel layer; a first micro-structure layer disposed at a light incident side of the Fresnel layer, the first micro-structure layer including a plurality of micro-structures that are configured to diffusely reflect a portion of light incident thereon and refract another portion of the light; and a reflective layer disposed on a side of the Fresnel layer away from the first micro-structure layer.